Flathub version does not work on Debian

[farooqkz]

Hello. As I try to launch the Flathub version, I get this error:

18:22:50 ~ $ flatpak run com.github.ojubaorg.Othman 
/app/bin/othman-browser:4: DeprecationWarning: pkg_resources is deprecated as an API. See https://setuptools.pypa.io/en/latest/pkg_resources.html
  __import__('pkg_resources').run_script('Othman==0.6.0', 'othman-browser')
Traceback (most recent call last):
  File "/app/bin/othman-browser", line 4, in <module>
    __import__('pkg_resources').run_script('Othman==0.6.0', 'othman-browser')
  File "/usr/lib/python3.10/site-packages/pkg_resources/__init__.py", line 691, in run_script
    self.require(requires)[0].run_script(script_name, ns)
  File "/usr/lib/python3.10/site-packages/pkg_resources/__init__.py", line 1530, in run_script
    exec(code, namespace, namespace)
  File "/app/lib/python3.10/site-packages/Othman-0.6.0-py3.10.egg/EGG-INFO/scripts/othman-browser", line 4, in <module>
    main()
  File "/app/lib/python3.10/site-packages/Othman-0.6.0-py3.10.egg/othman/gtkUi.py", line 427, in main
    w = othmanUi()
  File "/app/lib/python3.10/site-packages/Othman-0.6.0-py3.10.egg/othman/gtkUi.py", line 111, in __init__
    othmanCore.__init__(self)
  File "/app/lib/python3.10/site-packages/Othman-0.6.0-py3.10.egg/othman/core.py", line 100, in __init__
    cn = self._getConnection()
  File "/app/lib/python3.10/site-packages/Othman-0.6.0-py3.10.egg/othman/core.py", line 120, in _getConnection
    r = sqlite3.connect(self.db_fn)
sqlite3.OperationalError: unable to open database file